[PATCH AUTOSEL 5.5 097/121] ASoC: stm32: spdifrx: fix regmap status check

From: Sasha Levin
Date: Sat Apr 11 2020 - 19:35:00 EST


From: Olivier Moysan <olivier.moysan@xxxxxx>

[ Upstream commit a168dae5ea14283e8992d5282237bb0d6a3e1c06 ]

Release resources when exiting on error.

Fixes: 1a5c0b28fc56 ("ASoC: stm32: spdifrx: manage identification registers")

Signed-off-by: Olivier Moysan <olivier.moysan@xxxxxx>
Link: https://lore.kernel.org/r/20200318144125.9163-2-olivier.moysan@xxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
sound/soc/stm/stm32_spdifrx.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/sound/soc/stm/stm32_spdifrx.c b/sound/soc/stm/stm32_spdifrx.c
index 3769d9ce5dbef..e6e75897cce83 100644
--- a/sound/soc/stm/stm32_spdifrx.c
+++ b/sound/soc/stm/stm32_spdifrx.c
@@ -1009,6 +1009,8 @@ static int stm32_spdifrx_probe(struct platform_device *pdev)

if (idr == SPDIFRX_IPIDR_NUMBER) {
ret = regmap_read(spdifrx->regmap, STM32_SPDIFRX_VERR, &ver);
+ if (ret)
+ goto error;

dev_dbg(&pdev->dev, "SPDIFRX version: %lu.%lu registered\n",
FIELD_GET(SPDIFRX_VERR_MAJ_MASK, ver),
--
2.20.1